Automatic detection device for small dead pixel fault of LED display screen

Abstract

The utility model belongs to the field of automatic detection devices for small dead pixel faults of LED display screens, and particularly relates to an automatic detection device for small dead pixel faults of LED display screens, which comprises an automatic detection device body, a button is arranged on the front side of the automatic detection device body, and a door body is arranged on the left side of the automatic detection device body. And a display is arranged on the front surface of the automatic detection device main body. According to the display screen limiting device, the supporting block, the motor, the screw rod, the bearing, the threaded sleeve, the sliding groove and other components are designed, the motor is started, the motor drives the screw rod and the threaded sleeve to make threaded motion, the threaded sleeve moves to drive the clamping block and other components to move, the clamping block moves to make contact with the display screen, and then the display screen is limited; therefore, the display screen is prevented from deviating when the display screen is detected by the device, and inaccurate detection of the display screen by the device is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic detection devices for small bad pixel faults of LED display screens, in particular to an automatic detection device for small bad pixel faults of LED display screens. Background Art

[0002] LED display screens are usually composed of hundreds or even thousands of LEDs, which can be arranged on the screen in different ways to display images or videos. LED display screens can be divided into two types: indoor and outdoor. Different screens are selected according to the use environment and requirements. Indoor LED display screens are usually used in places such as shopping malls, conference rooms, and studios, while outdoor LED display screens are used in places such as billboards, stadiums, and stations that require long-distance viewing. The automatic detection device for small bad pixel failures on LED display screens is a device for detecting small bad pixel failures on LED display screens. Small bad pixel failures refer to independent bright or dark spots that appear on the display screen. These bad pixels may affect the picture quality and viewing experience of the display screen. In order to solve this problem, an automatic detection device can be used to detect and repair these small bad pixel failures. In the prior art, when the device is used, the device has no limiting mechanism, which is inconvenient to limit the display screen. When the device detects the display screen, the display screen may be offset, resulting in inaccurate detection of the display screen by the device. Therefore, it is necessary to improve the prior art. Summary of the invention

[0003] The purpose of the utility model is to provide an automatic detection device for small bad pixel faults of an LED display screen, which solves the problem that when the device is in use, the device has no limiting mechanism, which makes it inconvenient to limit the display screen, and the display screen may shift when the device is detecting the display screen, resulting in inaccurate detection of the display screen by the device.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic detection device for small bad pixel faults of an LED display screen, comprising an automatic detection device body, a button is arranged on the front of the automatic detection device body, a door body is arranged on the left side of the automatic detection device body, a display is arranged on the front of the automatic detection device body, a detection platform is fixedly connected to the front of the automatic detection device body and located at the lower end of the display, the bottom of the inner side wall of the detection platform contacts the display screen, and a limiting mechanism is arranged on the bottom of the inner side wall of the detection platform.

[0005] Preferably, the limiting mechanism comprises a support block, the bottom of the inner side wall of the detection platform is fixedly connected with the support block, the outer side of the support block is fixedly installed with a motor, the rotating shaft of the motor is rotatably connected with the support block, the end of the rotating shaft of the motor close to the display screen is fixedly connected with a screw, the inner side of the support block is rotatably connected with a screw, the outer side of the screw is threadedly connected with a threaded sleeve, the outer side of the threaded sleeve is fixedly connected with a guide block, the bottom of the guide block is fixedly connected with a sliding block, the outer side of the sliding block is slidably connected with the detection platform, the end of the threaded sleeve close to the display screen is fixedly connected with a clamping block, the bottom of the clamping block contacts the detection platform, and the side of the clamping block away from the threaded sleeve contacts the display screen. By starting the motor, the motor drives the screw and the threaded sleeve to perform threaded motion, the movement of the threaded sleeve drives the clamping block and other components to move, the clamping block moves and contacts the display screen, and then the limited display screen is limited, thereby preventing the display screen from being offset when the device detects the display screen, and preventing the device from inaccurately detecting the display screen.

[0006] Preferably, there are two support blocks, which are symmetrically distributed at the bottom of the inner wall of the testing platform. The support blocks can be designed to support components such as motors.

[0007] Preferably, a bearing is fixedly sleeved inside the support block, and a screw is fixedly sleeved inside the bearing. By designing the bearing, the friction between the screw and the support block can be reduced.

[0008] Preferably, a sliding groove is provided inside the detection platform, and a guide block is slidably connected inside the sliding groove. By designing the sliding groove, the guide block can slide inside the sliding groove.

[0009] Preferably, a ball is disposed inside the sliding block, and the outer side of the ball contacts the detection platform. The sliding block can be designed so as to slide inside the sliding groove.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] The utility model designs components such as a support block, a motor, a screw, a bearing, a threaded sleeve and a sliding groove. By starting the motor, the motor drives the screw and the threaded sleeve to perform threaded motion. The movement of the threaded sleeve drives the movement of components such as a clamping block. The clamping block moves and contacts the display screen, thereby limiting the position of the display screen, thereby preventing the display screen from being offset when the device is detecting the display screen, and preventing the device from inaccurately detecting the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0013] Figure 2 For this utility model Figure 1 A sectional stereogram of the overall structure;

[0014] Figure 3 For this utility model Figure 2 Enlarged view of point A.

[0015] In the figure: 1. main body of automatic detection device; 2. button; 3. door body; 4. display; 5. detection table; 6. display screen; 7. limit mechanism; 71. support block; 72. motor; 73. screw; 74. bearing; 75. threaded sleeve; 76. sliding groove; 77. guide block; 78. sliding block; 79. ball bearing; 710. clamping block. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-Figure 3 An automatic detection device for small bad pixel faults of an LED display screen includes an automatic detection device body 1, a button 2 is arranged on the front of the automatic detection device body 1, a door body 3 is arranged on the left side of the automatic detection device body 1, a display 4 is arranged on the front of the automatic detection device body 1, a detection table 5 is fixedly connected to the front of the automatic detection device body 1 and located at the lower end of the display 4, the bottom of the inner side wall of the detection table 5 contacts with a display screen 6, and a limiting mechanism 7 is arranged at the bottom of the inner side wall of the detection table 5.

[0018] See also Figure 3 The limiting mechanism 7 includes a support block 71, and a support block 71 is fixedly connected to the bottom of the inner wall of the detection platform 5. There are two support blocks 71, and the two support blocks 71 are symmetrically distributed at the bottom of the inner wall of the detection platform 5. By designing the support block 71, it can be used to support components such as a motor 72. A motor 72 is fixedly installed on the outside of the support block 71, and the rotating shaft of the motor 72 is rotatably connected to the support block 71. The end of the rotating shaft of the motor 72 close to the display screen 6 is fixedly connected to a screw 73, and the inside of the support block 71 is rotatably connected to the screw 73. The inside of the support block 71 is fixedly sleeved with a bearing 74, and the inside of the bearing 74 is fixedly sleeved with a screw 73. By designing the bearing 74, the friction between the screw 73 and the support block 71 can be reduced. The outside of the screw 73 is threadedly connected with a threaded sleeve 75. A sliding groove 76 begins to be provided inside the detection platform 5, and a guide block 77 is slidably connected to the inside of the sliding groove 76. By designing the sliding groove 76, the guide block 77 can slide inside the sliding groove 76.

[0019] See also Figure 3 , a guide block 77 is fixedly connected to the outer side of the threaded sleeve 75, and a sliding block 78 is fixedly connected to the bottom of the guide block 77. A ball 79 is arranged inside the sliding block 78, and the outer side of the ball 79 contacts the detection platform 5. By designing the sliding block 78, the sliding block 78 can slide inside the sliding groove 76, and the outer side of the sliding block 78 is slidably connected to the detection platform 5. The end of the threaded sleeve 75 close to the display screen 6 is fixedly connected to a clamping block 710, and the bottom of the clamping block 710 contacts the detection platform 5, and the side of the clamping block 710 away from the threaded sleeve 75 contacts the display screen 6. By starting the motor 72, the motor 72 drives the screw rod 73 and the threaded sleeve 75 to perform threaded motion. The movement of the threaded sleeve 75 drives the clamping block 710 and other components to move, and the clamping block 710 moves to contact the display screen 6, thereby limiting the position of the display screen 6, thereby preventing the display screen 6 from being offset when the device detects the display screen 6, and preventing the device from inaccurately detecting the display screen 6.

[0020] The specific implementation process of the utility model is as follows: when the device is used, the display screen 6 is placed at a designated position on the detection table 5, and then the motor 72 is started. The motor 72 drives the screw 73 to rotate, and the screw 73 rotates to generate a threaded motion with the threaded sleeve 75, thereby causing the threaded sleeve 75 to produce a relative displacement, and the movement of the threaded sleeve 75 drives the guide block 77 and the clamping block 710 to move, and the movement of the guide block 77 drives the sliding block 78 to move, and the movement of the sliding block 78 drives the ball 79 to move, and the clamping block 710 moves to contact the display screen 6, thereby limiting the position of the display screen 6, thereby preventing the display screen 6 from being offset when the device is detecting the display screen 6, and preventing the device from inaccurately detecting the display screen 6.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic detection device for small bad pixel faults on an LED display screen, comprising an automatic detection device body (1), Features: A button (2) is arranged on the front of the main body (1) of the automatic detection device, a door (3) is arranged on the left side of the main body (1) of the automatic detection device, a display (4) is arranged on the front of the main body (1) of the automatic detection device, a detection platform (5) is fixedly connected to the front of the main body (1) of the automatic detection device and located below the display (4), the bottom of the inner side wall of the detection platform (5) contacts the display screen (6), and a limiting mechanism (7) is arranged on the bottom of the inner side wall of the detection platform (5).

2. According to claim 1, an automatic detection device for small bad pixel failure of LED display screen, Features: The limiting mechanism (7) comprises a support block (71), the bottom of the inner side wall of the detection platform (5) is fixedly connected to the support block (71), the outer side of the support block (71) is fixedly mounted with a motor (72), the rotating shaft of the motor (72) is rotatably connected to the support block (71), one end of the rotating shaft of the motor (72) close to the display screen (6) is fixedly connected to a screw rod (73), the interior of the support block (71) is rotatably connected to the screw rod (73), and the outer side of the screw rod (73) is connected to the display screen (6) by a thread. A threaded sleeve (75) is connected, the outer side of the threaded sleeve (75) is fixedly connected to a guide block (77), the bottom of the guide block (77) is fixedly connected to a sliding block (78), the outer side of the sliding block (78) is slidably connected to a detection platform (5), one end of the threaded sleeve (75) close to the display screen (6) is fixedly connected to a clamping block (710), the bottom of the clamping block (710) contacts the detection platform (5), and the side of the clamping block (710) away from the threaded sleeve (75) contacts the display screen (6).

3. According to claim 2, an automatic detection device for small bad pixel faults of LED display screens, Features: There are two support blocks (71), and the two support blocks (71) are symmetrically distributed at the bottom of the inner side wall of the detection platform (5).

4. According to claim 2, an automatic detection device for small bad pixel failure of LED display screen, Features: A bearing (74) is fixedly sleeved inside the support block (71), and a screw rod (73) is fixedly sleeved inside the bearing (74).

5. According to claim 1, an automatic detection device for small bad pixel failure of LED display screen, Features: A sliding groove (76) is provided inside the detection platform (5), and a guide block (77) is slidably connected inside the sliding groove (76).

6. According to claim 2, an automatic detection device for small bad pixel faults of LED display screens, Features: A ball (79) is arranged inside the sliding block (78), and the outer side of the ball (79) contacts the detection platform (5).

Images